<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css">
    <style>
        .red {
            color: red;
        }
    </style>
</head>

<body>
    <div id="app">
        <div class="container">
            <!-- 顶部搜索框模块 -->
            <div class="form-group">
                <div class="input-group">
                    <h4>品牌管理</h4>
                </div>
            </div>

            <!-- 数据表格 -->
            <table class="table table-bordered table-hover mt-2">
                <thead>
                    <tr>
                        <th>编号</th>
                        <th>资产名称</th>
                        <th>价格</th>
                        <th>创建时间</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr v-for="item in list" :key="item.id">
                        <td>{{ item.id }}</td>
                        <td>{{ item.name }}</td>
                        <td :class="{ red: item.price > 100 }">{{ item.price }}</td>
                        <td>{{ item.time.toLocaleDateString() }}</td>
                        <td><a href="#" @click.prevent="deleteAsset(item.id)">删除</a></td>
                    </tr>
                    <tr style="background-color: #EEE">
                        <td>统计:</td>
                        <td colspan="2">总价钱为: {{ totalPrice }}</td>
                        <td colspan="2">平均价: {{ averagePrice }}</td>
                    </tr>
                </tbody>
                <tfoot>
                    <tr>
                        <td colspan="5" style="text-align: center" v-if="list.length === 0">暂无数据</td>
                    </tr>
                </tfoot>
            </table>

            <!-- 添加资产 -->
            <form class="form-inline" @submit.prevent="addAsset">
                <div class="form-group">
                    <div class="input-group">
                        <input type="text" class="form-control" placeholder="资产名称" v-model="name" />
                    </div>
                </div>
                &nbsp;&nbsp;&nbsp;&nbsp;
                <div class="form-group">
                    <div class="input-group">
                        <input type="text" class="form-control" placeholder="价格" v-model="price" />
                    </div>
                </div>
                &nbsp;&nbsp;&nbsp;&nbsp;
                <!-- 阻止表单提交 -->
                <button class="btn btn-primary">添加资产</button>
            </form>
        </div>
    </div>
    <script src="./vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                name: "", // 名称
                price: 0, // 价格
                list: [
                    { id: 100, name: "外套", price: 199, time: new Date('2010-08-12') },
                    { id: 101, name: "裤子", price: 34, time: new Date('2013-09-01') },
                    { id: 102, name: "鞋", price: 25.4, time: new Date('2018-11-22') },
                    { id: 103, name: "头发", price: 19900, time: new Date('2020-12-12') }
                ],
            },
            computed: {
                totalPrice() {
                    return this.list.reduce((total, item) => total + item.price, 0);
                },
                averagePrice() {
                    if (this.list.length === 0) return 0;
                    return this.totalPrice / this.list.length;
                }
            },
            methods: {
                addAsset() {
                    if (this.name && this.price) {
                        const id = this.list.length > 0 ? this.list[this.list.length - 1].id + 1 : 104;
                        this.list.push({ id, name: this.name, price: parseFloat(this.price), time: new Date() });
                        this.name = "";
                        this.price = 0;
                    }
                },
                deleteAsset(id) {
                    this.list = this.list.filter(item => item.id !== id);
                }
            }
        })
    </script>
</body>

</html>